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Comment:
I played around with some of the tools for 45 minutes and it was fun. The collection is pretty good and I like that fact that...
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Comment:
I played around with some of the tools for 45 minutes and it was fun. The collection is pretty good and I like that fact that I can do or verify my answers without using a calculator. Instructions and examples are very useful. (I actually read the how-to section before I could get one of the tool to work, shame on me!!). I think this set of tools will be useful for students but for complex math problem, you still need a calculator. (Otherwise Texas Instrument would be worried about going out of calculator business). Some tools could be improved to show points/co-ordinates/values on the graph while one moves the line/points instead of on the side.

Comment:
While I did not spend an excessive amount of time on this site, that is only because I came to realize it's usefulness very...
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Comment:
While I did not spend an excessive amount of time on this site, that is only because I came to realize it's usefulness very quickly. This is exactly the type of site that is perfect for someone such as myself, who doesn't have the money to splurge on a nice, bells-and-whistles packing, calculator. And it saves plenty of paperwork. I would say that this site is a wonderful addition to the students' bag of tricks and, while I wouldn't recommend it to persons who have yet to fully understand many of the aspects of graphing, it is a wonderful tool for those of us short on time.

Comment:
I spent about one hour and a half looking at different applet topics within the site. I would like to use some of the applets...
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Comment:
I spent about one hour and a half looking at different applet topics within the site. I would like to use some of the applets for student activities in my Precalculus classes. Some of them are very excellent for familiarizing the student with very important Precalculus and Calculus concepts. The material is excellent, and I believe will be a great addition to my classes. The students will benefit from them. Many of the applets illustrate concepts in a way superior to the standard graphing calculators.I did find some material a little difficult to use. The fact that the site presents built-in examples, is of great help. Technical Remarks: It would be great to have applets for conic sections where the students can ״dial" the parameters of the standard equations:(x-h)^2/a^2 + (y-k)^2/b^2 = 1, (x-h)^2/a^2-(y-k)^2/b^2=1, x^2=4py, etcand see how the parameters of the expanded equation: Ax^2+Bxy+Cy^2.... change.The author has accomplished a much more difficult task in the existent conics applet, so I guess it will not be a major challenge for him. It would be very nice to have something like that for Precalculus students, so they can make the connection between both expressions and relate to the characteristics of the generated graph

Author:
M.Cristina Berisso
(Faculty)

Date Added:
Nov 20, 2002

About this comment:

Rating:

Used in course:
no

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